<script lang="ts" setup name="XtxSkeleton">
defineProps({
    bg: {
        type: String,
        default: '#efefef',
    },
    width: {
        type: Number,
        required: true,
    },
    height: {
        type: Number,
        required: true,
    },
    animated: {
        type: Boolean,
        default: false,
    },
    fade: {
        type: Boolean,
        default: false,
    },
})
</script>
<template>
    <div class="xtx-skeleton" :style="{ width: width + 'px', height: height + 'px' }"
        :class="{ shan: animated, fade: fade }">
        <!-- 1 盒子-->
        <div class="block" :style="{ backgroundColor: bg }"></div>
        <!-- 2 闪效果 xtx-skeleton 伪元素 --->
    </div>
</template>

<style scoped lang="less">
.xtx-skeleton {
    display: inline-block;
    position: relative;
    overflow: hidden;
    vertical-align: middle;

    .block {
        width: 100%;
        height: 100%;
        border-radius: 2px;
    }
}

.shan {
    &::after {
        content: '';
        position: absolute;
        animation: shan 1.5s ease 0s infinite;
        top: 0;
        width: 50%;
        height: 100%;
        background: linear-gradient(to left,
                rgba(255, 255, 255, 0) 0,
                rgba(255, 255, 255, 0.3) 50%,
                rgba(255, 255, 255, 0) 100%);
        transform: skewX(-45deg);
    }
}

@keyframes shan {
    0% {
        left: -100%;
    }

    100% {
        left: 120%;
    }
}

.fade {
    animation: fade 1s linear infinite alternate;
}

@keyframes fade {
    from {
        opacity: 0.2;
    }

    to {
        opacity: 1;
    }
}
</style>